United Kingdom · Series A startup

Who invested in Stackt

4 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Logistics

Raised 3 months ago

Funding summaryUpdated 26 Oct 2026

$4.8Mraised across 4 rounds since 2022, from 4 sources

$203KRound$1.2MSeed$3.2MSeries A$188KSeries A
Latest round
Series A, $188KAug 2026
Biggest round
$3.2MSeries A · Jan 2026
Investors
3
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20222023202420252026
$203KRound$1.2MSeed$3.2MSeries A$188KSeries A
First round
Round, $203K
Feb 2022
Biggest round
$3.2M
Series A · Jan 2026
Usual gap between rounds
18 months
the median of 3

The rounds

  1. Aug 2026
    Series A$188K

    No investor was named in the report.

    Shares issued, filed with Companies House (SH01); no report of this raise yet

  2. Jan 2026
    Series A$3.2M

    No investor was named in the report.

    Shares issued, filed with Companies House (SH01); no report of this raise yet

  3. Sept 2023
    Seed$1.2M3 new

    Source recorded

  4. Feb 2022
    Round$203K

    No investor was named in the report.

    Shares issued, filed with Companies House (SH01); no report of this raise yet

Funding filed with regulators

Stackt filed 5 raises, $3.6M in all. Filings say how much was sold and to how many investors; they never name the investors.

  1. Aug 2026$188KUK share allotment
  2. Feb 2026$284KUK share allotment
  3. Jan 2026$504KUK share allotment
  4. Jan 2026$2.5MUK share allotment
  5. Feb 2022$203KUK share allotment

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Round2022Seed2023Series A2026Series A2026SyndicateRoomHaatchZAKA VC

Everyone who backed them

SyndicateRoomVC firm1round
HaatchVC firm1round
ZAKA VCVC firm1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 5 firms list Stackt as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Metropolis VenturesVC firmPer its own site
Funders VCVC firmPer its own site
Data Mining TechnologiesVC firmPer its own site
Double Cheque VenturesVC firmPer its own site
Mount VCVC firmPer its own site

Quick answers about Stackt

Who invested in Stackt?

Stackt's investors include SyndicateRoom, Haatch and ZAKA VC.

How much has Stackt raised?

Stackt has raised $4.8M across 4 rounds since 2022.

When did Stackt last raise?

Stackt's most recent round was a Series A of $188K in Aug 2026.

What was Stackt's biggest round?

Stackt's largest round on record is $3.2M (Series A), in Jan 2026.

Who backed Stackt first?

Stackt's first round on record, in Sept 2023, was backed by SyndicateRoom, Haatch and ZAKA VC.

What stage is Stackt at?

Stackt's latest named round is a Series A, in Aug 2026.

Where is Stackt based?

Stackt is based in the United Kingdom.

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In the same sector, and raised in the last eighteen months.

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